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International
Dun & Bradstreet D-U-N-S number
The D-U-N-S (Data Universal Numbering System) number is a unique nine-digit identifier for businesses, assigned by Dun & Bradstreet. It is widely used for business credit reporting and identification purposes.
Although this identifier can be verified against official registries, not all entities are included in the linked sources. As a result, some valid identifiers may not be found during registry checks. We'll flag these as valid but not verified.
This identifier follows a strict format, here represented as X = alphanumeric character, A = letter, 0 = digit, and # = alphanumeric or special character (*, +, ?).
Example of syntactically valid Dun & Bradstreet D-U-N-S number
DUNS06-070-4780Data for this identifier is verified against the following registries
D&BDun & Bradstreetww-dnbDun & Bradstreet D-U-N-S number
Syntax 06-070-4780
Verification API
Use our API to verify any D-U-N-S from International in real-time and get detailed information about the associated entity, ensure its presence in the registry of record, see the registered address, and more.
curl -X GET "https://verifyvat.com/api/verify/ww_duns/060704780" \
-H "x-api-key: {your_api_key}"
# You can also use query parameters with a GET request:
curl -X GET "https://verifyvat.com/api/verify?type=ww_duns&id=060704780" \
-H "x-api-key: {your_api_key}"
# Or via JSON body with a POST request:
curl -X POST "https://verifyvat.com/api/verify" \
-H "Content-Type: application/json" \
-H "x-api-key: {your_api_key}" \
-d '{"type":"ww_duns","id":"060704780"}'curl -X GET "https://verifyvat.com/api/types/ww_duns"
# Via query parameters with a GET request:
curl -X GET "https://verifyvat.com/api/id-types?id=ww_duns"
# Or via JSON body with a POST request:
curl -X POST "https://verifyvat.com/api/id-types" \
-H "Content-Type: application/json" \
-d '{"id":"ww_duns"}'Format API
Explore the format and validation rules of this identifier, and implement the verification logic in your platform.
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Whether you’re checking one company or building verification into your product, VerifyVAT gives you instant access to official business data: clear, accurate, and always up to date. No fluff, no guesswork, just the facts you need from the sources that matter.